CN109671928A - A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding - Google Patents

A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding Download PDF

Info

Publication number
CN109671928A
CN109671928A CN201811516689.8A CN201811516689A CN109671928A CN 109671928 A CN109671928 A CN 109671928A CN 201811516689 A CN201811516689 A CN 201811516689A CN 109671928 A CN109671928 A CN 109671928A
Authority
CN
China
Prior art keywords
mofs
anode material
based anode
preparation
silicon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811516689.8A
Other languages
Chinese (zh)
Inventor
吕子建
赵东辉
周鹏伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Xfh Battery Material Co Ltd
Original Assignee
Fujian Xfh Battery Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Xfh Battery Material Co Ltd filed Critical Fujian Xfh Battery Material Co Ltd
Priority to CN201811516689.8A priority Critical patent/CN109671928A/en
Publication of CN109671928A publication Critical patent/CN109671928A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386Silicon or alloys based on silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/626Metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027Negative electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention discloses a kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding, when preparation, includes following steps: (1) adding dispersing agent in a solvent, nano-silicon is added in solution and is stirred dispersion;(2) metal salt solution for synthesizing target MOFs and organic ligand solution are added sequentially in the dispersion solution of nano-silicon, it is lasting to stir;(3) it is synthesized according to the specified requirements of synthesis MOFs;(4) the resulting composite material of step (3) is dried, and is carbonized in an inert atmosphere to get the silicon based anode material coated to MOFs carbonization.The relaxation effect to nano-silicon volume change can be effectively realized by the Si-C composite material being carbonized by metal-organic framework materials;MOFs is carbonized in the structure to be formed simultaneously, and the metal nanoparticle of high degree of dispersion is conducive to the promotion of system electric conductivity, to realize the raising of silicon carbon material comprehensive performance.

Description

A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding
Technical field
The present invention relates to negative electrode material field technology, refer in particular to a kind of MOFs carbonization cladding silicon based anode material and its Preparation method.
Background technique
Lithium ion battery is as secondary cell of new generation, in recent years in electric car, energy storage power grid, consumer electronics product Equal fields have a wide range of applications.The negative electrode material of traditional commercial li-ion used in battery is mainly graphite-like, theoretical ratio Capacity only has 372 mAh/g, is unable to satisfy the demand currently to high-energy density storage equipment.Silicon is as negative electrode of lithium ion battery One kind of material, it is considered to be one of most potential height ratio capacity negative electrode material.The height ratio capacity of 4200 mAh/g makes silicon Being expected to substitution graphite becomes the negative electrode material of a new generation.However silicon as negative electrode material in charge and discharge process, exist serious Volume change problem (300%), this huge volume change easily cause the silicium cathode material on electrode slice occur dusting, Phenomena such as coating shedding, influences the service life cycle of material.Simultaneously as the semiconductor property of silicon, electric conductivity is also poor, It is presented as poor high rate performance.Therefore, for lithium ion battery practical application, silicium cathode material also faces huge choose War.Researchers mainly coat processing or silicon particle nanosizing by surface to alleviate or reduce the volume of silicon and become at present Change, avoids the growth repeatedly of the granule atomization and SEI film of silicon materials.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of MOFs carbonizations to wrap Silicon based anode material covered and preparation method thereof, using orderly, the stable structure of metal-organic framework materials to high degree of dispersion Nano-silicon coated, be then carbonized by the heat treatment under inert atmosphere conditions, obtain silicon based anode material, simultaneously Also contain evenly dispersed metal nanoparticle in system, preparation process of the present invention is simple, and condition is controllable.
To achieve the above object, the present invention is using following technical solution:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) dispersing agent is added in a solvent, and nano-silicon is added in solution and is stirred dispersion;
(2) metal salt solution for synthesizing target MOFs and organic ligand solution are added sequentially in the dispersion solution of nano-silicon, Lasting stirring;
(3) it is synthesized according to the specified requirements of synthesis MOFs;
(4) the resulting composite material of step (3) is dried, and is carbonized is coated to get to MOFs carbonization in an inert atmosphere Silicon based anode material.
As a preferred embodiment, the dispersing agent in the step (1) is polyvinylpyrrolidone, polyacrylamide, gathers One or more of vinyl alcohol, polyethylene glycol, polystyrene, lauryl sodium sulfate and sodium carboxymethylcellulose.
As a preferred embodiment, the solvent in the step (1) is water, in methanol, ethyl alcohol, n,N-Dimethylformamide One or more.
As a preferred embodiment, the nano-silicon partial size in the step (1) is 50-300 nm, and the mixing time is 6-12 h。
As a preferred embodiment, the metal salt in the step (2) be nickel nitrate, cobalt nitrate, zinc nitrate, zinc acetate, One or more of nickel acetate, cobalt acetate, zirconium chloride, copper nitrate, nickel chloride, cobalt chloride;
As a preferred embodiment, the organic ligand in the step (2) is 2-methylimidazole, imidazoles, terephthalic acid (TPA), equal benzene One or more of tricarboxylic acid.
As a preferred embodiment, solvent used in the step (2) is water, methanol, ethyl alcohol, N, N- dimethyl formyl One or more of amine, the mixing time are 6-12 h.
As a preferred embodiment, the synthetic method of the step (3) is to be stored at room temperature synthetic method, one in solvent-thermal method Kind is several, depending on synthesis MOFs object.
As a preferred embodiment, drying temperature is 60-120 DEG C in the step (4), and the drying time is 8-24 H, the carburizing atmosphere are one or more of nitrogen, helium, argon gas, and the carburizing temperature is 800-1100 DEG C, the carbon The change time is 4-12h.
A kind of silicon based anode material of MOFs carbonization cladding, external carbon-coating are got by metal-organic framework materials carbonization, And it is obtained using a kind of aforementioned preparation method of the silicon based anode material of MOFs carbonization cladding.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal Known to:
It can effectively be realized by the Si-C composite material being carbonized by metal-organic framework materials to nano-silicon volume change Relaxation effect;MOFs is carbonized in the structure to be formed simultaneously, and the metal nanoparticle of high degree of dispersion is conducive to system electric conductivity It is promoted, to realize the raising of silicon carbon material comprehensive performance.
Specific embodiment
Present invention discloses a kind of preparation methods of the silicon based anode material of MOFs carbonization cladding, include following steps:
(1) dispersing agent is added in a solvent, and nano-silicon is added in solution and is stirred dispersion.Dispersing agent is polyvinylpyrrolidine One in ketone, polyacrylamide, polyvinyl alcohol, polyethylene glycol, polystyrene, lauryl sodium sulfate and sodium carboxymethylcellulose Kind is several.Solvent is one or more of water, methanol, ethyl alcohol, n,N-Dimethylformamide.Nano-silicon partial size is 50-300 Nm, the mixing time are 6-12 h.
(2) metal salt solution for synthesizing target MOFs and organic ligand solution are added sequentially to the dispersion solution of nano-silicon In, it is lasting to stir.Metal salt be nickel nitrate, cobalt nitrate, zinc nitrate, zinc acetate, nickel acetate, cobalt acetate, zirconium chloride, copper nitrate, One or more of nickel chloride, cobalt chloride;Organic ligand is 2-methylimidazole, in imidazoles, terephthalic acid (TPA), trimesic acid One or more.The solvent that this step uses is one or more of water, methanol, ethyl alcohol, n,N-Dimethylformamide, institute Stating mixing time is 6-12 h.
(3) it is synthesized according to the specified requirements of synthesis MOFs;Synthetic method is to be stored at room temperature synthetic method, in solvent-thermal method One or more, with specific reference to synthesis MOFs object depending on.
(4) the resulting composite material of step (3) is dried, and is carbonized is carbonized to get to MOFs in an inert atmosphere The silicon based anode material of cladding.Drying temperature is 60-120 DEG C, and the drying time is 8-24 h, and the carburizing atmosphere is nitrogen One or more of gas, helium, argon gas, the carburizing temperature are 800-1100 DEG C, and the carbonization time is 4-12h.
Present invention further teaches a kind of silicon based anode material of MOFs carbonization cladding, external carbon-coating is by metal organic framework Material carbonization is got, and obtained using a kind of aforementioned preparation method of the silicon based anode material of MOFs carbonization cladding.
With multiple embodiments, invention is further described in detail below:
Embodiment 1:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) 200 mg polyvinylpyrrolidones are dissolved in 100 mL methanol, and 100 mg nano-silicons is added and are stirred, held Continuous 12 h of time.
(2) using methanol as solvent, the 2-methylimidazole of cobalt nitrate solution (0.04 M) and 50 mL of 50 mL is respectively configured Solution (0.16 M), and be added sequentially in above-mentioned nano-silicon dispersion liquid, persistently stir 6 h.
(3) mixed solution is stood into 24 h in 25 DEG C of constant temperatures.
(4) solid product is obtained by centrifugal treating, dries 12 h under the conditions of 80 DEG C, and carry out carbon in nitrogen atmosphere Change, the temperature used that is carbonized is 900 DEG C, and be carbonized 6 h of duration.
Embodiment 2:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) 150 mg polyacrylamides are dissolved in 80 mL methanol, and 100 mg nano-silicons is added and are stirred, when continuing Between 8 h.
(2) using methanol as solvent, the imidazole solution of nickel nitrate solution (0.04 M) and 50 mL of 50 mL is respectively configured (0.16 M), and be added sequentially in above-mentioned nano-silicon dispersion liquid, persistently stir 6 h.
(3) obtained mixed solution is transferred in 200 mL reaction kettles and is reacted, 140 DEG C of reaction temperature, 12 h.
(4) solid product is obtained by centrifugal treating, dries 12 h under the conditions of 70 DEG C, and carry out carbon in nitrogen atmosphere Change, the temperature used that is carbonized is 800 DEG C, and be carbonized 8 h of duration.
Embodiment 3:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) 100 mg polyethylene glycol are dissolved in 60 mL n,N-Dimethylformamide, and 80 mg nano-silicons is added and are stirred It mixes, 6 h of duration.
(2) using n,N-Dimethylformamide as solvent, the chlorination zirconium solution (0.1 M) of 50 mL is respectively configured with 50 mL's Terephthalic acid solution (0.1 M), and be added sequentially in above-mentioned nano-silicon dispersion liquid, persistently stir 6 h.
(3) obtained mixed solution is transferred in 200 mL reaction kettles and is reacted, 120 DEG C of reaction temperature, 24 h.
(4) solid product is obtained by centrifugal treating, dries 6 h under the conditions of 120 DEG C, and carry out carbon in argon atmosphere Change, the temperature used that is carbonized is 950 DEG C, and be carbonized 6 h of duration.
Embodiment 4:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) 200 mg polyvinyl alcohol are dissolved in 100 mL methanol, and 100 mg nano-silicons is added and are stirred, the duration 12 h。
(2) using methanol as solvent, the 2-methylimidazole of acetic acid zinc solution (0.04 M) and 50 mL of 50 mL is respectively configured Solution (0.12 M), and be added sequentially in above-mentioned nano-silicon dispersion liquid, persistently stir 6 h.
(3) obtained mixed solution is stood into 24 h.
(4) solid product is obtained by centrifugal treating, dries 6 h under the conditions of 100 DEG C, and carry out carbon in nitrogen atmosphere Change, the temperature used that is carbonized is 800 DEG C, and be carbonized 8 h of duration.
Embodiment 5:
A kind of preparation method of the silicon based anode material of MOFs carbonization cladding, includes following steps:
(1) 100 mg sodium carboxymethylcelluloses are dissolved in 50 mL water, and 80 mg nano-silicons is added and are stirred, when continuing Between 10 h.
(2) it is the n,N-Dimethylformamide of 1:1 and the mixed solution of ethyl alcohol as solvent using volume ratio, is respectively configured 50 The copper nitrate solution (0.6 M) of mL and the trimesic acid solution (0.2 M) of 50 mL, and it is added sequentially to above-mentioned nano-silicon point In dispersion liquid, 8 h are persistently stirred.
(3) it seals after obtained mixed solution to be transferred to the round-bottomed flask of 200 mL, is reacted under 85 DEG C of oscillating conditions 24 h。
(4) solid product is obtained by centrifugal treating, dries 12 h under the conditions of 120 DEG C, and carry out in argon atmosphere Carbonization, the temperature used that is carbonized is 1000 DEG C, and be carbonized 12 h of duration.
The silicon based anode material that MOFs carbonization cladding is made to above-mentioned each embodiment below is tested for the property:
By the silicon based anode material of above-mentioned each resulting MOFs carbonization cladding of embodiment respectively at conductive agent SP, PVDF according to matter Amount is mixed than 92:4:4, solvent NMP, and stirring is coated in copper foil current collector after forming uniform slurry, drying slice Obtain battery pole piece.It is that is assembled by CR2032 type button cell and carries out electrochemical property test, normal for electrode with metal lithium sheet 0.1C constant current charge-discharge is carried out under the conditions of temperature, as a result as follows:
Design focal point of the invention is: can be effective by the Si-C composite material being carbonized by metal-organic framework materials Realize the relaxation effect to nano-silicon volume change;MOFs is carbonized in the structure to be formed simultaneously, the metallic nanoparticle of high degree of dispersion Son is conducive to the promotion of system electric conductivity, to realize the raising of silicon carbon material comprehensive performance.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention, Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still Belong in the range of technical solution of the present invention.

Claims (10)

1. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding, it is characterised in that: include following steps:
(1) dispersing agent is added in a solvent, and nano-silicon is added in solution and is stirred dispersion;
(2) metal salt solution for synthesizing target MOFs and organic ligand solution are added sequentially in the dispersion solution of nano-silicon, Lasting stirring;
(3) it is synthesized according to the specified requirements of synthesis MOFs;
(4) the resulting composite material of step (3) is dried, and is carbonized is coated to get to MOFs carbonization in an inert atmosphere Silicon based anode material.
2. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Dispersing agent in the step (1) be polyvinylpyrrolidone, polyacrylamide, polyvinyl alcohol, polyethylene glycol, polystyrene, One or more of lauryl sodium sulfate and sodium carboxymethylcellulose.
3. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Solvent in the step (1) is one or more of water, methanol, ethyl alcohol, n,N-Dimethylformamide.
4. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Nano-silicon partial size in the step (1) is 50-300 nm, and the mixing time is 6-12 h.
5. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Metal salt in the step (2) is nickel nitrate, cobalt nitrate, zinc nitrate, zinc acetate, nickel acetate, cobalt acetate, zirconium chloride, nitric acid One or more of copper, nickel chloride, cobalt chloride.
6. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Organic ligand in the step (2) is one or more of 2-methylimidazole, imidazoles, terephthalic acid (TPA), trimesic acid.
7. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: Solvent used in the step (2) is one or more of water, methanol, ethyl alcohol, n,N-Dimethylformamide, the stirring Time is 6-12h.
8. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: The synthetic method of the step (3) is to be stored at room temperature one or more of synthetic method, solvent-thermal method, with specific reference to synthesis MOFs Depending on object.
9. a kind of preparation method of the silicon based anode material of MOFs carbonization cladding according to claim 1, it is characterised in that: In the step (4) drying temperature be 60-120 DEG C, the drying time be 8-24 h, the carburizing atmosphere be nitrogen, helium, One or more of argon gas, the carburizing temperature are 800-1100 DEG C, and the carbonization time is 4-12h.
10. a kind of silicon based anode material of MOFs carbonization cladding, it is characterised in that: its external carbon-coating is by metal-organic framework materials Carbonization is got, and using such as a kind of described in any item systems of the silicon based anode material of MOFs carbonization cladding of claim 1-9 Preparation Method is made.
CN201811516689.8A 2018-12-12 2018-12-12 A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding Pending CN109671928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811516689.8A CN109671928A (en) 2018-12-12 2018-12-12 A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811516689.8A CN109671928A (en) 2018-12-12 2018-12-12 A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding

Publications (1)

Publication Number Publication Date
CN109671928A true CN109671928A (en) 2019-04-23

Family

ID=66144242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811516689.8A Pending CN109671928A (en) 2018-12-12 2018-12-12 A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding

Country Status (1)

Country Link
CN (1) CN109671928A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110176594A (en) * 2019-06-05 2019-08-27 成都云津能源科技有限公司 A kind of new electrode materials and preparation method thereof
CN110660986A (en) * 2019-11-08 2020-01-07 中科廊坊过程工程研究院 Tin-based composite material, preparation method and application thereof
CN110729472A (en) * 2019-10-28 2020-01-24 中科廊坊过程工程研究院 Silicon-based negative electrode material, preparation method and application thereof
CN110867572A (en) * 2019-11-25 2020-03-06 天津工业大学 Preparation method of double-layer carbon-coated silicon composite material
CN111180717A (en) * 2020-03-23 2020-05-19 福建翔丰华新能源材料有限公司 Novel silicon-carbon composite negative electrode material and preparation method thereof
CN111403699A (en) * 2020-03-02 2020-07-10 吉林师范大学 Carbon nanotube-containing carbon shell-coated silicon negative electrode material and preparation method thereof
CN112349899A (en) * 2019-09-26 2021-02-09 贝特瑞新材料集团股份有限公司 Silicon-based composite negative electrode material, preparation method thereof and lithium ion battery
CN112678799A (en) * 2021-01-26 2021-04-20 四川大学 Carbon-coated silicon negative electrode material with hollow structure and preparation method thereof
CN114597358A (en) * 2021-12-29 2022-06-07 昆明理工大学 Si @ CoCu-ZIF composite anode material derived from bimetallic MOF and preparation method and application thereof
CN115020670A (en) * 2022-06-30 2022-09-06 合肥国轩高科动力能源有限公司 MOFs modified silicon-based negative electrode material and preparation method thereof
WO2023116020A1 (en) * 2021-12-21 2023-06-29 广东邦普循环科技有限公司 Negative electrode material, preparation method therefor, and application thereof
CN116387483A (en) * 2023-03-31 2023-07-04 重庆太蓝新能源有限公司 Si@C@MOFs composite material and preparation method thereof, negative electrode material, negative electrode plate and lithium battery
WO2024000884A1 (en) * 2022-06-29 2024-01-04 广东邦普循环科技有限公司 Method for repairing waste silicon-carbon material and use thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101439972A (en) * 2007-11-21 2009-05-27 比亚迪股份有限公司 Silicon-carbon composite material, preparation thereof, battery cathode and lithium ionic cell
CN102580565A (en) * 2012-01-19 2012-07-18 大连理工大学 Preparation method for high-performance metal organic framework film
CN103012499A (en) * 2011-09-21 2013-04-03 中国科学院福建物质结构研究所 Synthesizing method of zeolite-like hybrid metal imidazole framework compound
US20160190571A1 (en) * 2014-12-31 2016-06-30 Samsung Electronics Co., Ltd. Silicon-containing negative active material, method of preparing the same, negative electrode including the same, and lithium secondary battery including negative electrode
CN107240673A (en) * 2017-05-26 2017-10-10 江苏银基烯碳能源科技有限公司 A kind of manufacture method of composite negative pole pole piece
CN107359326A (en) * 2017-06-26 2017-11-17 江苏师范大学 A kind of Si@C lithium ion battery negative materials with core shell structure and preparation method thereof
CN107349964A (en) * 2017-07-15 2017-11-17 北京化工大学 A kind of preparation method of nano particle@small sized metallic organic framework materials
CN107994225A (en) * 2017-12-11 2018-05-04 徐军红 A kind of porous silicon-carbon composite cathode material and preparation method thereof, lithium ion battery
CN108417813A (en) * 2018-04-08 2018-08-17 昆明理工大学 A kind of preparation method of lithium ion battery negative material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101439972A (en) * 2007-11-21 2009-05-27 比亚迪股份有限公司 Silicon-carbon composite material, preparation thereof, battery cathode and lithium ionic cell
CN103012499A (en) * 2011-09-21 2013-04-03 中国科学院福建物质结构研究所 Synthesizing method of zeolite-like hybrid metal imidazole framework compound
CN102580565A (en) * 2012-01-19 2012-07-18 大连理工大学 Preparation method for high-performance metal organic framework film
US20160190571A1 (en) * 2014-12-31 2016-06-30 Samsung Electronics Co., Ltd. Silicon-containing negative active material, method of preparing the same, negative electrode including the same, and lithium secondary battery including negative electrode
CN107240673A (en) * 2017-05-26 2017-10-10 江苏银基烯碳能源科技有限公司 A kind of manufacture method of composite negative pole pole piece
CN107359326A (en) * 2017-06-26 2017-11-17 江苏师范大学 A kind of Si@C lithium ion battery negative materials with core shell structure and preparation method thereof
CN107349964A (en) * 2017-07-15 2017-11-17 北京化工大学 A kind of preparation method of nano particle@small sized metallic organic framework materials
CN107994225A (en) * 2017-12-11 2018-05-04 徐军红 A kind of porous silicon-carbon composite cathode material and preparation method thereof, lithium ion battery
CN108417813A (en) * 2018-04-08 2018-08-17 昆明理工大学 A kind of preparation method of lithium ion battery negative material

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110176594A (en) * 2019-06-05 2019-08-27 成都云津能源科技有限公司 A kind of new electrode materials and preparation method thereof
CN112349899A (en) * 2019-09-26 2021-02-09 贝特瑞新材料集团股份有限公司 Silicon-based composite negative electrode material, preparation method thereof and lithium ion battery
CN110729472A (en) * 2019-10-28 2020-01-24 中科廊坊过程工程研究院 Silicon-based negative electrode material, preparation method and application thereof
CN110660986A (en) * 2019-11-08 2020-01-07 中科廊坊过程工程研究院 Tin-based composite material, preparation method and application thereof
CN110660986B (en) * 2019-11-08 2022-09-20 廊坊绿色工业技术服务中心 Tin-based composite material, preparation method and application thereof
CN110867572A (en) * 2019-11-25 2020-03-06 天津工业大学 Preparation method of double-layer carbon-coated silicon composite material
CN111403699A (en) * 2020-03-02 2020-07-10 吉林师范大学 Carbon nanotube-containing carbon shell-coated silicon negative electrode material and preparation method thereof
CN111180717A (en) * 2020-03-23 2020-05-19 福建翔丰华新能源材料有限公司 Novel silicon-carbon composite negative electrode material and preparation method thereof
CN112678799A (en) * 2021-01-26 2021-04-20 四川大学 Carbon-coated silicon negative electrode material with hollow structure and preparation method thereof
WO2023116020A1 (en) * 2021-12-21 2023-06-29 广东邦普循环科技有限公司 Negative electrode material, preparation method therefor, and application thereof
CN114597358A (en) * 2021-12-29 2022-06-07 昆明理工大学 Si @ CoCu-ZIF composite anode material derived from bimetallic MOF and preparation method and application thereof
WO2024000884A1 (en) * 2022-06-29 2024-01-04 广东邦普循环科技有限公司 Method for repairing waste silicon-carbon material and use thereof
CN115020670A (en) * 2022-06-30 2022-09-06 合肥国轩高科动力能源有限公司 MOFs modified silicon-based negative electrode material and preparation method thereof
CN116387483A (en) * 2023-03-31 2023-07-04 重庆太蓝新能源有限公司 Si@C@MOFs composite material and preparation method thereof, negative electrode material, negative electrode plate and lithium battery

Similar Documents

Publication Publication Date Title
CN109671928A (en) A kind of silicon based anode material and preparation method thereof of MOFs carbonization cladding
CN107359326B (en) Si @ C lithium ion battery cathode material with core-shell structure and preparation method thereof
CN109873158B (en) Carbon material for lithium-sulfur battery and preparation and application thereof
CN111952572B (en) Cobalt-nickel bimetallic nitrogen-doped carbon composite material containing single-atom active sites
CN109244427B (en) Preparation method of carbon-coated zinc sulfide loaded graphene as potassium ion battery cathode
CN106654221A (en) Three-dimensional porous carbon-coated zinc selenide material for lithium ion battery anodes and preparation method of material
CN109103443B (en) Silicon-based negative electrode material and preparation method thereof
CN105680013A (en) Preparation method for silicon/graphite/carbon composite negative electrode material of lithium ion battery
US11362327B2 (en) Double layer-coated nano-silicon negative electrode material, a method for preparing the same and use thereof
CN108206285A (en) A kind of nanometer tin negative pole material of compound coating and its preparation method and application
CN103000906A (en) Preparation method of foamy copper/carbon nanophase composite negative electrode material for lithium ion battery
CN107706392B (en) Preparation method of carbon-nitrogen co-coated sodium vanadium phosphate sodium ion battery positive electrode material
CN104269536A (en) Graphene-loaded spherical carbon-cladded iron oxide composite material and preparation method of composite material
CN111952570A (en) Cobalt-nitrogen-carbon composite material containing single-atom active site and preparation method and application thereof
CN105762340B (en) A kind of TiO2/ C coated graphite composite material, preparation method and its application as lithium ion battery negative material
CN109942001B (en) Silicon negative electrode material with spherical thorn-shaped structure and preparation method thereof
CN104701500B (en) A kind of preparation method of composite cathode material for lithium ion cell, negative material, battery
CN105826524A (en) Synthesis method of lithium iron phosphate of graphene in-situ nucleation
CN108695509B (en) Composite lithium battery positive electrode with high energy storage efficiency, preparation method thereof and lithium battery
CN114497475A (en) Zinc-containing nitrogen-doped porous carbon-coated zinc-based negative electrode material for lithium ion battery
CN104600259B (en) Lithium battery negative electrode material with lamellar structure and preparation method of lithium battery negative electrode material
CN110350168A (en) A method of porous Si-C composite material is prepared in situ
CN111463406B (en) Preparation method of cobalt-doped zinc-based metal selenide composite electrode for lithium ion battery
CN104103808B (en) A kind of lithium ion battery lamellar stannum carbon composite and preparation method thereof
CN104979557A (en) High-rate lithium iron phosphate positive electrode material and battery electrode sheet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Bai Yu

Inventor after: Zhao Donghui

Inventor after: Zhou Pengwei

Inventor before: Lv Zijian

Inventor before: Zhao Donghui

Inventor before: Zhou Pengwei

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190423